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CHAPTER 3 SYSTEM CONTROLLER
Preliminary User’s Manual S15543EJ1V0UM
189
3.2 Registers
3.2.1 Register map
Following Table summarizes the controller’s register set. The base address for the set is 1000_0000H in the
physical address space.
Offset Address Register Name R/W Access Description
1000_0000H S_GMR R/W W/H/B General Mode Register
1000_0004H S_GSR R W/H/B General Status Register
1000_0008H S_ISR RC W/H/B Interrupt Status Register
1000_000CH S_IMR R/W W/H/B Interrupt Mask Register
1000_0010H S_NSR RC W/H/B NMI Status Register
1000_0014H S_NER R/W W/H/B NMI Enable Register
1000_0018H S_VER R W/H/B Version Register
1000_001CH S_IOR R/W W/H/B IO Port Register
1000_0020H:
1000_002CH
N/A - - Reserved for future use
1000_0030H S_WRCR W W/H/B Warm Reset Control Register
1000_0034H S_WRSR R W/H/B Warm Reset Status Register
1000_0038H S_PWCR R/W W/H/B Power Control Register
1000_003CH S_PWSR R W/H/B Power Control Status Register
1000_0040H:
1000_0048H
N/A - - Reserved for future use
1000_004CH ITCNTR R/W W/H/B IBUS Timeout Timer Control Register
1000_0050H ITSETR R/W W/H/B IBUS Timeout Timer Set Register
1000_0054H:
1000_007CH
N/A - - Reserved for future use
1000_0080H UARTRBR R W/H/B UART, Receiver Buffer Register [DLAB=0,READ]
1000_0080H UARTTHR W W/H/B UART, Transmitter Holding Register [DLAB=0,WRITE]
1000_0080H UARTDLL R/W W/H/B UART, Divisor Latch LSB Register [DLAB=1]
1000_0084H UARTIER R/W W/H/B UART, Interrupt Enable Register [DLAB=0]
1000_0084H UARTDLM R/W W/H/B UART, Divisor Latch MSB Register [DLAB=1]
1000_0088H UARTIIR R W/H/B UART, Interrupt ID Register [READ]
1000_0088H UARTFCR W W/H/B UART, FIFO control Register [WRITE]
1000_008CH UARTLCR R/W W/H/B UART, Line control Register
1000_0090H UARTMCR R/W W/H/B UART, Modem Control Register
1000_0094H UARTLSR R/W W/H/B UART, Line status Register
1000_0098H UARTMSR R/W W/H/B UART, Modem Status Register
1000_009CH UARTSCR R/W W/H/B UART, Scratch Register
1000_00A0H DSUCNTR R/W W/H/B DSU Control Register
1000_00A4H DSUSETR R/W W/H/B DSU Dead Time Set Register
1000_00A8H DSUCLRR W W/H/B DSU Clear Register
1000_00ACH DSUTIMR R W/H/B DSU Elapsed Time Register
1000_00B0H TMMR R/W W/H/B Timer Mode Register
1000_00B4H TM0CSR R/W W/H/B Timer CH0 Count Set Register
1000_00B8H TM1CSR R/W W/H/B Timer CH1 Count Set Register
1000_00BCH TM0CCR R W/H/B Timer CH0 Current Count Register
1000_00C0H TM1CCR R W/H/B Timer CH1 Current Count Register
1000_00C4H:
1000_00CCH
N/A - - Reserved for future use
1000_00D0H ECCR W W/H/B EEPROM Command Control Register
1000_00D4H ERDR R W/H/B EEPROM Read Data Register